A specialized manufacturer and supplier of Automotive timing system and related products. Since 2010 SUMAX has manufactures h ... igh-quality timing components, including Chains, VVT, Cam & Crank Sprockets, Tensioners and Guides. Dedicated to the improvement of full-process quality control, SUMAX is based on Zero Defect Management. To reach this target,continuous progress never stops from the design,material,production,even package under the management system of TS16949 and ISO9001 read more